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Re: Shared pool from 8i to 9i

From: Mladen Gogala <mgogala_at_allegientsystems.com>
Date: Tue, 25 Jan 2005 09:51:11 -0500
Message-ID: <41F65CDF.8090101@allegientsystems.com>


Subbiah, Nagarajan wrote:

>
>Can we have different sub pools of shared pool and specify the range for the
>SQL size to go to the particular sub pool? I know that the
>shared_pool_reserved_min_alloc parameter helps to certain extent. Is there
>any view to find out what is the usage of the reserved size of the
>shared_pool and how to find out the optimal value of the
>shared_pool_reserved_size?
>
>

Raja, take a look at the V$SHARED_POOL_RESERVED. It contains column "LAST_ABORTED_SIZE".
It will tell you the size of the last request for the reserved allocation that failed. You also have a column about aborted requests to tell you how many aborted requests were issued. Note that this is a RESERVED allocation. It doesn't automatically mean 4031. Also, there is a table called V$SHARED_POOLwhich is gone in 10g, probably because oracle thinks that you should pay for being able to estimate the size of your shared pool. In 10g it is called DBA_HIST_SHARED_POOL_ADVICE
<http://localhost/oradoc/ora10.1.0/server.101/b10755/statviews_2151.htm#sthref1843> and, as any "DBA_HIST" table should not be used without license. Enjoy while you can.

-- 
Mladen Gogala
Oracle DBA

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Received on Tue Jan 25 2005 - 09:53:45 CST

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